What are the problems with the printing of QR code on bottle caps?

In the beverage industry, one of the fast-moving consumer goods industry, huge changes are taking place from identification to marketing, from the traditional small character inkjet printer printing a production date and shelf life to the two-dimensional inside the bottle cap Code identification, transformation and upgrading are not unimportant. Behind these changes is the intensification of market competition, the understanding of customer needs and the pressure of manufacturers' sales. There are two common ways to assign codes on the outside of the bottle cap: small character inkjet printer and laser cij printer. The resolution of the small character cij printer itself is relatively low, but its printing speed is fast, and the scanning rate of the printed dot matrix QR code is still very good when the machine is stable and the printing effect is good. It is equipped with automatic vision. 99.9% of the QR code can be scanned after detecting, alarming, and removing the equipment. What are the problems and difficulties faced by the two-dimensional code of bottle caps printed by small character cij printers?

1. The safety of ink The ink of the inkjet printer is a ketone-based consumable, which is volatile and corrosive. There are many safety issues, such as whether toxic and harmful substances will be produced. 2. Printing speed Two-dimensional code printing on bottle caps has high requirements for speed, and ordinary small character cij printers can no longer meet the high-speed printing needs. Cap manufacturers generally need to print 800-1500 bottle caps per minute. Whether it is a domestic cij printer or an imported inkjet printer, it is difficult to achieve high-speed inkjet printing when the size of the two-dimensional code is large enough. 3. The adhesion ink of QR code printing will dry quickly after UV irradiation, which greatly increases the difficulty of modification and erasing. However, as the code inside the bottle cap, on the one hand, it is speed and on the other hand, it is also a difficulty in installation technology. , Will affect the implementation of UV cij printers. 4. Scanning rate problem After printing codes through simple coding equipment, it is difficult for us to determine the pass rate and pass rate of scanning codes. At this time, the requirements of the equipment are increased, and there must be an overall solution with an integrated system. Covering, assigning codes, visual inspection, alarming, and proposing, for example, a process can be solved as a whole to achieve more value, which increases the cost of equipment procurement and the difficulty of the project.

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